Sure, I can provide some experience if needed. On Sun, Apr 26, 2020 at 3:54 PM Disruptive Solutions < disruptivesolution...@gmail.com> wrote:
> I am interested in Open-Amp and maybe a Zoom webinar would be a nice idea? > I could start something? > > Ben > > Op zo 26 apr. 2020 03:12 schreef stee...@163.com <stee...@163.com>: > >> >> Thanks a lot for your response. >> >> ------------------------------ >> stee...@163.com >> >> >> *发件人：* Xiang Xiao <xiaoxiang781...@gmail.com> >> *发送时间：* 2020-04-24 20:40 >> *收件人：* dev <dev@nuttx.apache.org> >> *主题：* Re: Hi，Any body have some idea about both cpu can access TCP/IP >> stack in CPU like STM32h767 >> >> >> On Fri, Apr 24, 2020 at 4:48 PM <stee...@163.com> wrote: >> > >> > Hi， >> > I use STM32H767 that need both cpu can access TCP/IP . >> > I read a lot of articles ,but can't find a way . >> > I need 2 cpu run simultaneously,perhaps use same OS such as Nuttx or >> > different OS. (M7 run Nuttx and M4 run FreeRTOS) >> > Can anybody give some advise ? >> >> You have two choice: >> 1.Enable SMP. STM32H767 has two different CPUs(Cortex-M4 and Cortex-M7), >> but since Cortex-M7 is superset Cortex-M4, it may possible to build NuttX >> with Cortex-M4 but run on Cortex-M7 too if Cortex-M7 has the same external >> view as Cortex-M4 and give up Cortex-M7 specific feature(e.g. cache...). >> 2.Enable AMP. NuttX fully integrate OpenAMP recently: >> https://github.com/OpenAMP/open-amp >> And build many drivers or subsystem on top of OpenAMP, so you can use >> usrsock+rpmsg to achieve what you are asking: >> [image: RpmsgNET1.JPG] >> [image: RpmsgNET2.JPG] >> And more..., you can get the more information from this presentation: >> https://cwiki.apache.org/confluence/display/NUTTX/NuttX+And+OpenAMP >> NuttX even has a demo run two NuttX simulator on PC communicate with each >> other through OpenAMP framework: >> boards\sim\sim\sim\configs\rpproxy >> boards\sim\sim\sim\configs\rpserver >> You can follow the instruction in boards\sim\sim\sim\README.txt to try >> the demo. >> Since several patches are pending to merge: >> https://github.com/OpenAMP/open-amp/pulls >> You can't build the offical NuttX repo with OpenAMP directly. To simplify >> the final user, I am preparing a new PR to download and apply these >> patches. The work will upstream to NuttX repo in the next week. Please stay >> tune the process. >> >> > >> > Thanks, >> > Steelen >> > >> > >> > stee...@163.com >> >>
